Worm

Worm.Win32.Vobfus.efjn removal guide

Malware Removal

The Worm.Win32.Vobfus.efjn is considered dangerous by lots of security experts. When this infection is active, you may notice unwanted processes in Task Manager list. In this case, it is adviced to scan your computer with GridinSoft Anti-Malware.

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Gridinsoft Anti-Malware

Removing PC viruses manually may take hours and may damage your PC in the process. We recommend using GridinSoft Anti-Malware for virus removal. Allows to complete scan and cure your PC during the trial period.
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What Worm.Win32.Vobfus.efjn virus can do?

  • Behavioural detection: Executable code extraction – unpacking
  • Reads data out of its own binary image
  • CAPE extracted potentially suspicious content
  • Drops a binary and executes it
  • Authenticode signature is invalid
  • Behavioural detection: Injection (inter-process)
  • Anomalous binary characteristics
  • Attempts to modify Explorer settings to prevent hidden files from being displayed
  • Yara rule detections observed from a process memory dump/dropped files/CAPE

How to determine Worm.Win32.Vobfus.efjn?


File Info:

name: E5327D8AFE68BCDFA20A.mlw
path: /opt/CAPEv2/storage/binaries/ef0ef0091ab0aab3c616a84750915bdabc75ffec7b716a1b06ffc29381b2ea34
crc32: 90EFB6F0
md5: e5327d8afe68bcdfa20a5d340e045d2f
sha1: e5167d087ff9012ae5fba05448bfb071c7df19eb
sha256: ef0ef0091ab0aab3c616a84750915bdabc75ffec7b716a1b06ffc29381b2ea34
sha512: d059a4aaeafb8774c822ae3767879b3626ba1dae885bc02ea945a4d53d8212b0f0b0a0fe5d18c3039733939d58ef9e14ae068602609aa13c07033feabf2cc336
ssdeep: 3072:bCbOgtokrGwkAjpWn1KG912QXXU+EnHsRPaVT4oQZiEY1:b4GdwkGG9ggkMRPaHWM
type: PE32 executable (GUI) Intel 80386, for MS Windows
tlsh: T14CF3922A7780F27AC415C6F4392A43A0947EEC3621D6B817F7C25B16B6F1DABD220753
sha3_384: 0dd7f3dd1ebeb6062e7a31732145cc9db3f3f32337bc8d22beb95666a9674eb4a819b553f2b2ff71f33402e5851934f6
ep_bytes: 68d8394000e8f0ffffff000000000000
timestamp: 2011-09-04 15:23:45

Version Info:

Translation: 0x0409 0x04b0
ProductName: dhdbASqCkqsY
FileVersion: 1.00
ProductVersion: 1.00
InternalName: pCGjdawywRRVlaakbMYs
OriginalFilename: pCGjdawywRRVlaakbMYs.exe

Worm.Win32.Vobfus.efjn also known as:

BkavW32.AIDetectMalware
LionicWorm.Win32.WBNA.luev
Elasticmalicious (high confidence)
MicroWorld-eScanGen:Heur.Conjar.1
FireEyeGeneric.mg.e5327d8afe68bcdf
CAT-QuickHealTrojan.Vobfus.gen
McAfeeVBObfus.bb
Cylanceunsafe
SangforTrojan.Win32.Save.a
K7AntiVirusEmailWorm ( 0054d10f1 )
AlibabaMalware:Win32/km_2ff36.None
K7GWEmailWorm ( 0054d10f1 )
CrowdStrikewin/malicious_confidence_100% (W)
ArcabitTrojan.Conjar.1
BitDefenderThetaAI:Packer.A49F85E220
VirITTrojan.Win32.SHeur4.BDZ
CyrenW32/Vobfus.V.gen!Eldorado
SymantecW32.Changeup!gen35
ESET-NOD32Win32/AutoRun.VB.AKY
APEXMalicious
ClamAVWin.Trojan.VB-1544
KasperskyWorm.Win32.Vobfus.efjn
BitDefenderGen:Heur.Conjar.1
NANO-AntivirusTrojan.Win32.WBNA.jshwyd
SUPERAntiSpywareTrojan.Agent/Gen-Vobfus
AvastWin32:VB-ABDC [Drp]
TencentTrojan.Win32.Koobface.p
TACHYONTrojan/W32.VBKrypt.159744
EmsisoftGen:Heur.Conjar.1 (B)
BaiduWin32.Trojan.Inject.n
F-SecureTrojan.TR/Spy.Agent.143363
DrWebTrojan.VbCrypt.60
VIPREGen:Heur.Conjar.1
TrendMicroWORM_VOBFUS.SMAC
McAfee-GW-EditionBehavesLike.Win32.VBObfus.cm
Trapminemalicious.high.ml.score
SophosMal/SillyFDC-T
SentinelOneStatic AI – Malicious PE
GoogleDetected
AviraTR/Spy.Agent.143363
Antiy-AVLWorm/Win32.WBNA.gen
XcitiumTrojWare.Win32.VB.AVA@4paxk7
MicrosoftWorm:Win32/Vobfus.gen!N
ZoneAlarmWorm.Win32.Vobfus.efjn
GDataGen:Heur.Conjar.1
CynetMalicious (score: 100)
AhnLab-V3Trojan/Win32.Diple.R13793
VBA32BScope.Trojan.Diple
ALYacGen:Heur.Conjar.1
MAXmalware (ai score=87)
MalwarebytesMalware.AI.2133932422
PandaTrj/Genetic.gen
TrendMicro-HouseCallWORM_VOBFUS.SMAC
RisingWorm.Vobfus!1.99C7 (CLASSIC)
YandexTrojan.GenAsa!BsY8M+LC9UA
IkarusWin32.Outbreak
MaxSecureTrojan.Malware.300983.susgen
FortinetW32/VBKrypt.C!tr
AVGWin32:VB-ABDC [Drp]
DeepInstinctMALICIOUS

How to remove Worm.Win32.Vobfus.efjn?

Worm.Win32.Vobfus.efjn removal tool
  • Download and install GridinSoft Anti-Malware.
  • Open GridinSoft Anti-Malware and perform a “Standard scan“.
  • Move to quarantine” all items.
  • Open “Tools” tab – Press “Reset Browser Settings“.
  • Select proper browser and options – Click “Reset”.
  • Restart your computer.

About the author

Paul Valéry

I'm a cyber security analyst and data science expert with 5+ years of experience with security software contractors.

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